我在 macOS 上安装 dotenv 时遇到错误：
\nCollecting dotenv\n Using cached dotenv-0.0.5.tar.gz (2.4 kB)\n Installing build dependencies ... done\n Getting requirements to build wheel ... done\n Installing backend dependencies ... error\n error: subprocess-exited-with-error\n \n \xc3\x97 pip subprocess to install backend dependencies did not run successfully.\n \xe2\x94\x82 exit code: 1\n \xe2\x95\xb0\xe2\x94\x80> [29 lines of output]\n Collecting distribute\n Using cached distribute-0.7.3.zip (145 kB)\n Installing build dependencies: started\n Installing build dependencies: finished with status 'done'\n Getting requirements to build wheel: started\n Getting requirements to …